Reaction Sun Gear & Drum: Inspection
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
Inspect reaction sun gear and drum for the following:
- Worn or scored bushings.
- Damaged reaction sun gear teeth.
- Band apply area of drum for discoloration or wear.
- Welds connecting sun gear to drum for voids or cracks.
- Worn or damaged 1-2 support outer race.
Replace components as necessary. See Fig 1.